This is a high quality 12# AWG Silicon Wire for ESC and Battery. Usually, we use 12# AWG Silicon Wire for 2200mAh 25C (or larger) Battery .
The thick of the wire depends on the capacity and current of your battery. (Think about a water pipe).
Get the thicker one if you are not sure. For example, 12# is thicker than 14# which means the smaller number the thicker .
We will send you 20CM If you buy 2 quantity, 50CM if you buy 5 quantity, and so ... (one wire)
Suitable Shrink Tubing